Brazos County Benchmark System Benchmark = C154

Location: Pipeline Road

BM Owner: City of College Station

For best results contact City of College Station.

Horz. Datum NAD 83 (1993) Vert. Datum NAVD 88

Latitude Longitude

Position 30 31 53.28926(N) 96 12 25.40431(W) Adjusted GPS

Orthometric Height (M) 76.961 unchecked GPS

Ellip_Height (M) 50.28 GPS

PROJECTION COORDINATES

NORTH EAST SCALE CONVERG.

SPC TX C 3,103,211.07 1,095,866.16 0.99991515 + 02 07 31.0

UTM 14 3,380,998.52 767,977.71 1.00048600 + 01 25 10.9

 

All adjustments hereafter, Original Horizontal Coordinates: NAD 83 Geographic

Universal Transverse Mercator Projection,

NAD 83, NAVD 88, Meters

UTM Zone 14

Input Vertical Coordinates: Ellipsoid Height, GRS 80, Meters

Output Vertical Coordinates: Orthometric Height, NAVD88, Meters

3380998.52151 N

767977.74288 E

Elevation 77.046

Convergence 01 25 10.89960

Scale Factor 1.000485995

Combined Factor 1.000473899

State Plane Coordinates. NAD 83, NAVD 88

Texas Central Zone (4203) Meters

Input Vertical Coordinates: Ellipsoid Height, GRS 80, Meters

Output Vertical Coordinates: Orthometric Height, NAVD 88, Meter

3103211.06141 N

1095866.18505 E

Elevation 77.046

Convergence 02 07 30.99199

Scale Factor 0.999915153

Combined Factor 0.999903063

NAD83 and NAVD88, GEOID96 model, GRS80 ellisoid

Input Vertical Coordinates: Ellipsoid Height, GRS 80, Meters

Output Vertical Coordinates: Orthometric Height, NAVD 88, Meters

NAD83 (1993) NAVD88

30 31 53.28901 N

96 12 25.40326 W

Elevation (m) 77.046

NAD27, NGVD29, Mean Sea Level, Clark 1866 Ellipsoid

Input Vertical Coordinates: Ellipsoid Height GRS 80, Meters

Output Vertical Coordinates: MLS, NGVD 29, U.S. Survey Feet

30 31 52.56130 N

96 12 24.55004 W

Elevation 252.70

Datum Shift (m) Delta Lat. = 22.410

Delta Lon. = 22.745